请教一下下面两段话是怎么翻译的 carbon dioxide-free water peak-to-valley ratio: minimum 1.4, where H = height above the baseline of the peak due to impurity J and H = height above the baseline of the lowest point of the curve separating this peak from the peak due to impurity F.
peak-to-valley ratio: minimum 1.4, where Hp= height above the baseline of the peak due to impurity J and Hv =height above the baseline of the lowest point of the curve separating this peak from the peak due to impurity F.
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